Meet the Staff

  • Debbie
    Office Manager

    Debbie is our Office Manager. She has been a part of Dr. Liethen’s dental team for over 8 years. Debbie handles all aspects of the business office and is the friendly face you will meet first at your appointment. She graduated from Pacific College with a degree in Certified Dental Assisting. She assisted for 3 years while also helping in the business office and learning which responsibilities are essential to operate a successful dental office. Debbie then had an opportunity to own her own business for 14 years. While raising her two children, she decided to return to her first passion- working with patients. Patients appreciate the fact that Debbie can present the treatment needed and answer any questions they may have. She has extensive experience in dental insurance billing and a high success rate in collecting insurance benefits due to the patient. With 20+ years in management, Debbie brings her experience and business acumen to help each of our patients. In her free time, Debbie enjoys working out, long fast-paced walks, going to concerts, and spending time with family and friends.

    “It is a pleasure to work with Dr. Liethen. She is a wonderful person who is so caring of everyone. I also look forward to seeing our patients. It is my goal to make each and every patient feel comfortable and confident that they are in good hands. I want each patient to feel that they are a part of our dental 'family'.”

  • Peggy
    Dental Hygienist

    Peggy is a dental hygienist in Dr. Liethen’s office. Her dental hygiene degree was earned in 1985 from Delaware Technical College. She has been working with Dr. Liethen for 24 years. Peggy’s gentle touch keeps her patients comfortable and dedicated to her schedule. Peggy uses the most advanced techniques to treat her patient’s periodontal needs and closely monitors any changes that may be detrimental to her patients oral health. Peggy interests include cooking, baking, and visiting the East Coast. She and her husband Dan enjoy spending time with their two grown sons.

    “The culture of Dr. Liethen’s practice has always been to provide the most comfortable and caring experience for our patients. Her depth of dental knowledge and commitment to patients continues to impress me.”

  • Marcie
    Dental Hygienist

    Marcie is also a dental hygienist in Dr. Liethen’s office. She graduated from USC with a degree in dental hygiene in 1983. She and Dr. Liethen have worked together for 30 years. Marcie’s earlier career in a periodontal office shaped how she treats patients with periodontal disease. Marcie utilizes all treatment modalities to efficiently eradicate periodontal problems. Marcie, her husband Steve, and their three children travel to Yosemite often to enjoy their beautiful home in the Park. Marcie other interests include beach walks, gardening, entertaining friends, and making beautiful craft works.

    “I have worked for Dr. Liethen for 24 years and have thoroughly enjoyed not only working for a great boss but someone I can truly call a friend. She genuinely cares and is concerned about her patients. I feel blessed to have gotten the chance to work in such a wonderful office with such an exceptional dentist and staff.”

  • Cindy
    Registered Dental Assistant

    We are delighted to welcome Cindy to our team. Cindy was attracted to dentistry for the opportunity to truly help people create and maintain healthy, beautiful smiles. A San Diego native, Cindy graduated from Grossmont College as a Registered Dental Assistant. She brings over thirty years experience working side-by-side with patients. In her spare time Cindy enjoys going to plays, sight seeing, and spending time with family and friends.

    'I wanted to be part of a team that was passionate and committed to their patients and I found it here with Dr. Liethen and her staff. I am proud to be a part of her team. I can't wait to meet you and welcome you to our practice!'

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Hours of Operation

Our Regular Schedule


8:00 am-5:00 pm


8:00 am-5:00 pm


8:00 am-5:00 pm


8:00 am-3:00 pm